func (s *ItemSuite) TestUpdateItem_new(c *C) {
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("intval", "1"),
}
var rk string
if s.WithRange {
rk = "1"
}
pk := &dynamodb.Key{HashKey: "UpdateKeyVal", RangeKey: rk}
num := func(a, b string) dynamodb.Attribute {
return *dynamodb.NewNumericAttribute(a, b)
}
checkVal := func(i string) {
if item, err := s.table.GetItem(pk); err != nil {
c.Error(err)
} else {
c.Check(item["intval"], DeepEquals, dynamodb.NewNumericAttribute("intval", i))
}
}
if ok, err := s.table.PutItem("UpdateKeyVal", rk, attrs); !ok {
c.Error(err)
}
checkVal("1")
// Simple Increment
s.table.UpdateItem(pk).UpdateExpression("SET intval = intval + :incr", num(":incr", "5")).Execute()
checkVal("6")
conditionalUpdate := func(check string) {
s.table.UpdateItem(pk).
ConditionExpression("intval = :check").
UpdateExpression("SET intval = intval + :incr").
ExpressionAttributes(num(":check", check), num(":incr", "4")).
Execute()
}
// Conditional increment should be a no-op.
conditionalUpdate("42")
checkVal("6")
// conditional increment should succeed this time
conditionalUpdate("6")
checkVal("10")
// Update with new values getting values
result, err := s.table.UpdateItem(pk).
ReturnValues(dynamodb.UPDATED_NEW).
UpdateExpression("SET intval = intval + :incr", num(":incr", "2")).
Execute()
c.Check(err, IsNil)
c.Check(result.Attributes["intval"], DeepEquals, num("intval", "12"))
checkVal("12")
}
func (s *QueryBuilderSuite) TestUpdateQuery(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("domain", "")
rangek := dynamodb.NewNumericAttribute("time", "")
key := dynamodb.PrimaryKey{primary, rangek}
table := s.server.NewTable("sites", key)
countAttribute := dynamodb.NewNumericAttribute("count", "4")
attributes := []dynamodb.Attribute{*countAttribute}
q := dynamodb.NewQuery(table)
q.AddKey(table, &dynamodb.Key{HashKey: "test", RangeKey: "1234"})
q.AddUpdates(attributes, "ADD")
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"AttributeUpdates": {
"count": {
"Action": "ADD",
"Value": {
"N": "4"
}
}
},
"Key": {
"domain": {
"S": "test"
},
"time": {
"N": "1234"
}
},
"TableName": "sites"
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *ItemSuite) TestPutGetDeleteItem(c *C) {
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val"),
}
var rk string
if s.WithRange {
rk = "1"
}
// Put
if ok, err := s.table.PutItem("NewHashKeyVal", rk, attrs); !ok {
c.Fatal(err)
}
// Get to verify Put operation
pk := &dynamodb.Key{HashKey: "NewHashKeyVal", RangeKey: rk}
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["TestHashKey"]; ok {
c.Check(val, DeepEquals, dynamodb.NewStringAttribute("TestHashKey", "NewHashKeyVal"))
} else {
c.Error("Expect TestHashKey to be found")
}
if s.WithRange {
if val, ok := item["TestRangeKey"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("TestRangeKey", "1"))
} else {
c.Error("Expect TestRangeKey to be found")
}
}
// Delete
if ok, _ := s.table.DeleteItem(pk); !ok {
c.Fatal(err)
}
// Get to verify Delete operation
_, err = s.table.GetItem(pk)
c.Check(err.Error(), Matches, "Item not found")
}
func (s *QueryBuilderSuite) TestAddWriteRequestItems(c *gocheck.C) {
primary := dynamodb.NewStringAttribute("WidgetFoo", "")
secondary := dynamodb.NewNumericAttribute("Created", "")
key := dynamodb.PrimaryKey{primary, secondary}
table := s.server.NewTable("FooData", key)
primary2 := dynamodb.NewStringAttribute("TestHashKey", "")
secondary2 := dynamodb.NewNumericAttribute("TestRangeKey", "")
key2 := dynamodb.PrimaryKey{primary2, secondary2}
table2 := s.server.NewTable("TestTable", key2)
q := dynamodb.NewEmptyQuery()
attribute1 := dynamodb.NewNumericAttribute("testing", "4")
attribute2 := dynamodb.NewNumericAttribute("testingbatch", "2111")
attribute3 := dynamodb.NewStringAttribute("testingstrbatch", "mystr")
item1 := []dynamodb.Attribute{*attribute1, *attribute2, *attribute3}
attribute4 := dynamodb.NewNumericAttribute("testing", "444")
attribute5 := dynamodb.NewNumericAttribute("testingbatch", "93748249272")
attribute6 := dynamodb.NewStringAttribute("testingstrbatch", "myotherstr")
item2 := []dynamodb.Attribute{*attribute4, *attribute5, *attribute6}
attributeDel1 := dynamodb.NewStringAttribute("TestHashKeyDel", "DelKey")
attributeDel2 := dynamodb.NewNumericAttribute("TestRangeKeyDel", "7777777")
itemDel := []dynamodb.Attribute{*attributeDel1, *attributeDel2}
attributeTest1 := dynamodb.NewStringAttribute("TestHashKey", "MyKey")
attributeTest2 := dynamodb.NewNumericAttribute("TestRangeKey", "0193820384293")
itemTest := []dynamodb.Attribute{*attributeTest1, *attributeTest2}
tableItems := map[*dynamodb.Table]map[string][][]dynamodb.Attribute{}
actionItems := make(map[string][][]dynamodb.Attribute)
actionItems["Put"] = [][]dynamodb.Attribute{item1, item2}
actionItems["Delete"] = [][]dynamodb.Attribute{itemDel}
tableItems[table] = actionItems
actionItems2 := make(map[string][][]dynamodb.Attribute)
actionItems2["Put"] = [][]dynamodb.Attribute{itemTest}
tableItems[table2] = actionItems2
q.AddWriteRequestItems(tableItems)
queryJson, err := simplejson.NewJson([]byte(q.String()))
if err != nil {
c.Fatal(err)
}
expectedJson, err := simplejson.NewJson([]byte(`
{
"RequestItems": {
"TestTable": [
{
"PutRequest": {
"Item": {
"TestRangeKey": {
"N": "0193820384293"
},
"TestHashKey": {
"S": "MyKey"
}
}
}
}
],
"FooData": [
{
"PutRequest": {
"Item": {
"testingstrbatch": {
"S": "mystr"
},
"testingbatch": {
"N": "2111"
},
"testing": {
"N": "4"
}
}
}
},
{
"PutRequest": {
"Item": {
"testingstrbatch": {
"S": "myotherstr"
},
"testingbatch": {
"N": "93748249272"
},
"testing": {
"N": "444"
}
}
}
},
{
"DeleteRequest": {
"Key": {
"TestRangeKeyDel": {
"N": "7777777"
},
"TestHashKeyDel": {
"S": "DelKey"
}
}
}
}
]
}
}
`))
if err != nil {
c.Fatal(err)
}
c.Check(queryJson, gocheck.DeepEquals, expectedJson)
}
func (s *ItemSuite) TestConditionalPutUpdateDeleteItem(c *C) {
if s.WithRange {
// No rangekey test required
return
}
attrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val"),
}
pk := &dynamodb.Key{HashKey: "NewHashKeyVal"}
// Put
if ok, err := s.table.PutItem("NewHashKeyVal", "", attrs); !ok {
c.Fatal(err)
}
{
// Put with condition failed
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "expectedAttr1Val").SetExists(true),
*dynamodb.NewStringAttribute("AttrNotExists", "").SetExists(false),
}
if ok, err := s.table.ConditionalPutItem("NewHashKeyVal", "", attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Add attributes with condition failed
if ok, err := s.table.ConditionalAddAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Update attributes with condition failed
if ok, err := s.table.ConditionalUpdateAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
// Delete attributes with condition failed
if ok, err := s.table.ConditionalDeleteAttributes(pk, attrs, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
}
{
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val").SetExists(true),
}
// Add attributes with condition met
addNewAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr1", "10"),
*dynamodb.NewNumericAttribute("AddNewAttr2", "20"),
}
if ok, err := s.table.ConditionalAddAttributes(pk, addNewAttrs, nil); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Update attributes with condition met
updateAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr1", "100"),
}
if ok, err := s.table.ConditionalUpdateAttributes(pk, updateAttrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Delete attributes with condition met
deleteAttrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("AddNewAttr2", ""),
}
if ok, err := s.table.ConditionalDeleteAttributes(pk, deleteAttrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Get to verify operations that condition are met
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["AddNewAttr1"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("AddNewAttr1", "100"))
} else {
c.Error("Expect AddNewAttr1 attribute to be added and updated")
}
if _, ok := item["AddNewAttr2"]; ok {
c.Error("Expect AddNewAttr2 attribute to be deleted")
}
}
{
// Put with condition met
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr1Val").SetExists(true),
}
newattrs := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr2Val"),
}
if ok, err := s.table.ConditionalPutItem("NewHashKeyVal", "", newattrs, expected); !ok {
c.Errorf("Expect condition met. %s", err)
}
// Get to verify Put operation that condition are met
item, err := s.table.GetItem(pk)
if err != nil {
c.Fatal(err)
}
if val, ok := item["Attr1"]; ok {
c.Check(val, DeepEquals, dynamodb.NewStringAttribute("Attr1", "Attr2Val"))
} else {
c.Error("Expect Attr1 attribute to be updated")
}
}
{
// Delete with condition failed
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "expectedAttr1Val").SetExists(true),
}
if ok, err := s.table.ConditionalDeleteItem(pk, expected); ok {
c.Errorf("Expect condition does not meet.")
} else {
c.Check(err.Error(), Matches, "ConditionalCheckFailedException.*")
}
}
{
// Delete with condition met
expected := []dynamodb.Attribute{
*dynamodb.NewStringAttribute("Attr1", "Attr2Val").SetExists(true),
}
if ok, _ := s.table.ConditionalDeleteItem(pk, expected); !ok {
c.Errorf("Expect condition met.")
}
// Get to verify Delete operation
_, err := s.table.GetItem(pk)
c.Check(err.Error(), Matches, "Item not found")
}
}
func (s *ItemSuite) TestUpdateItem(c *C) {
attrs := []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("count", "0"),
}
var rk string
if s.WithRange {
rk = "1"
}
if ok, err := s.table.PutItem("NewHashKeyVal", rk, attrs); !ok {
c.Fatal(err)
}
// UpdateItem with Add
attrs = []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("count", "10"),
}
pk := &dynamodb.Key{HashKey: "NewHashKeyVal", RangeKey: rk}
if ok, err := s.table.AddAttributes(pk, attrs); !ok {
c.Error(err)
}
// Get to verify Add operation
if item, err := s.table.GetItemConsistent(pk, true); err != nil {
c.Error(err)
} else {
if val, ok := item["count"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("count", "10"))
} else {
c.Error("Expect count to be found")
}
}
// UpdateItem with Put
attrs = []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("count", "100"),
}
if ok, err := s.table.UpdateAttributes(pk, attrs); !ok {
c.Error(err)
}
// Get to verify Put operation
if item, err := s.table.GetItem(pk); err != nil {
c.Fatal(err)
} else {
if val, ok := item["count"]; ok {
c.Check(val, DeepEquals, dynamodb.NewNumericAttribute("count", "100"))
} else {
c.Error("Expect count to be found")
}
}
// UpdateItem with Delete
attrs = []dynamodb.Attribute{
*dynamodb.NewNumericAttribute("count", ""),
}
if ok, err := s.table.DeleteAttributes(pk, attrs); !ok {
c.Error(err)
}
// Get to verify Delete operation
if item, err := s.table.GetItem(pk); err != nil {
c.Error(err)
} else {
if _, ok := item["count"]; ok {
c.Error("Expect count not to be found")
}
}
}